The final revised Section 110 guidelines were published in the April 24, 1998, Federal Register. The guidelines, which factor in the National Historic Preservation Act amendments of 1992, specify the obligations of Federal agencies with historic properties under their jurisdiction.

For questions on the Section 110 guidelines, call the National Park Service's Heritage Preservation Services at (202) 343-9573, or the Advisory Council on Historic Preservation at (202) 606-8503 (e-mail achp@achp.gov).